OTC 6637 Strut Tamer II Extreme, High-Strength Strut Spring Compressor
- The OTC 6637 Strut Tamer II Extreme is a heavy-duty strut spring compressor engineered to safely compress and rebuild large strut and coil spring assemblies. It meets ASME PASE safety standards and delivers up to 4,000 lb of compression force for demanding suspension work.
- Features:
- Forged locking jaws with oversized pads and offset design for improved grip on larger-diameter springs
- Extra-thick 5/8-inch compression arms for enhanced strength and durability
- Locking trunnions maintain alignment and prevent lateral movement during compression
- Tool-free arm-locking rings enable quick adjustment without additional tools
- Available stand with wheels (model 6637-ST) provides added stability and shop mobility
- Specifications:
- Manufacturer: OTC (Bosch Automotive Service Solutions)
- Part Number: 6637
- Maximum Compression Force: 4,000 lb
- Spring Capacity: 2-1/2 to 10 inches in diameter
- Vertical Stroke Range: 1-1/4 to 24 inches
- Gear Reduction Ratio: 2:1 torque assist
- Application: Designed for safe compression and rebuilding of MacPherson strut and coil spring assemblies per ASME PASE safety certification
OTC, a division of Bosch Automotive Service Solutions, developed the 6637 Strut Tamer II Extreme for professional technicians performing suspension rebuilds. Its forged components, precision control, and safety-certified design provide maximum stability and confidence during strut compression operations.
Q: Does this model include a wheeled stand?
A: The base 6637 unit does not include a stand. The 6637-ST package version includes the Strut Tamer II Extreme compressor with the wheeled stand.
Q: What spring sizes can it accommodate?
A: It fits springs from 2-1/2 to 10 inches in diameter and provides a vertical stroke range of 1-1/4 to 24 inches.
Q: What is the compression capability?
A: The tool provides up to 4,000 lb of compression force, suitable for most passenger cars, SUVs, and light trucks.
